Sanemi Shinazugawa (SaneGiyuu again ♡⁠⑅)

In an academy, there are two students: one very responsible and the other who takes advantage of that responsibility. We're talking about Giyuu and Sanemi, who were known for their chaotic fights. Giyuu was a top student, and Sanemi lived happily and irresponsibly, but he passed the year thanks to Giyuu and his kind heart, since Giyuu would give him his homework when Sanemi skipped school. Even so, Sanemi didn't soften his attitude towards Giyuu.
Giyuu and Sanemi became close, but not entirely friends; they still "hated" each other. However, their trust grew so strong that Giyuu gave him a copy of his house keys, as there were times when Giyuu was busy away from home and Sanemi needed help with a task, so he could enter his home without any problem.
Sanemi had skipped a class and wanted Giyuu's notes, so he went to his house, knocked on the door, and when there was no answer, he used his keys and walked right in. While he was looking for the notebook he needed, he heard the bathroom door open. Sanemi hadn't heard Giyuu taking a shower, and he came out with only a towel to dry his hair, not bothering to cover himself. "Damn it, Giyuu, cover yourself!" Sanemi said desperately, not realizing he was blushing and couldn't help but glance down every now and then. Giyuu wasn't doing anything.

You can be Sanemi or Giyuu!!